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About product and suppliers:
        Alibaba.com offers 157 aluminum composite opening window products. About 76% of these are windows. 

A wide variety of aluminum composite opening window options are available to you, such as swing, sliding, and fixed. You can also choose from casement windows, awning windows, and single hung windows. As well as from horizontal, vertical. And whether aluminum composite opening window is free samples, or paid samples. 

There are 156 aluminum composite opening window suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of aluminum composite opening window respectively. 

Aluminum composite opening window products are most popular in Domestic Market, North America, and Oceania. 

You can ensure product safety by selecting from certified suppliers, including 83 with ISO9001, 32 with ISO14001, and 22 with Other certification.